E4 Extra

John Hartmann, a former FBI agent and the president and CEO of Chicago-based hardware co-operative True Value, goes incognito among his workforce.

Bill Peduto, the 60th mayor of Pittsburgh, goes incognito among his workforce, to hear from the city's employees and ensure that the changes he's introduced have been effective.

In south London, there are evil glares, a rooftop rave and a cooking meltdown on the hottest day of the year, as three couples compete to host the best dinner party.

In the West Country, Charlotte and Miguel's Venezuelan menu competes with Pansy and Rob's sophisticated fare and Elle and Dave's organic, wheat-free feast.

Bride-to-be Melissa wants her wedding day to take her back to her Irish roots, but Scouser Terry wants to include his own Ghanaian heritage in a big home-town bash.

After a disappointing proposal, bride Jemma wants a majestic big day. So groom Noel throws a party-themed wedding in Magaluf, complete with kebabs and pole dancing.

Fingers crossed for no storage showdowns or stand offs in the desert town of Indio. If all the buyers take Darrell's approach, expect nothing but peace and quiet..

The gang go to Koreatown, where Brandi wants revenge, Ivy and Mary unexpectedly team up and Rene goes locker crazy by securing himself three units.

Courtland Gray, chief operating officer of Mississippi-based audio equipment manufacturer Peavey Electronics, goes incognito in his workforce. How do the front-line staff feel.

Todd Pedersen, the founder and CEO of Vivint, a leading solar and home security firm based in Utah, goes undercover among his employees, posing as a reality show contestant.

Alfonso Ribeiro hosts as home video clips capture funny, surprising and memorable moments. Two women make a dog's dinner of Thanksgiving when they knock over the entire buffet.

In Norwalk, Darrell focuses on a bigger prize - which might see him out of the storage game for good. And will some mystery boxes pan out how Mary hopes.

In Beaumont, Jarrod refuses to let loose with his money so Brandi takes matters into her own hands. Hands which include margaritas. Bottoms up.

Gordon Ramsay revamps the menu and redecorates at Social, a restaurant in affluent Costa Mesa in California. What will the customers think of the improvements.

Gordon revamps Lowery's Seafood in Tappahannock, Virginia, where he finds two brothers - the owner and the manager - at loggerheads.

Rhod Gilbert endangers Alex Horne's life (again), Jessica Knappett's sunny outlook is tested by a grumpy man, and Phil Wang has fun with mayonnaise.

Jimmy Carr hosts, with captains Sean Lock and Jon Richardson, who are joined by Dara O Briain and Sharon Horgan. Adam Buxton and Joe Wilkinson assist Susie Dent and Rachel Riley.

Jimmy Carr hosts, with captains Sean Lock and Jon Richardson. They're joined by guests James Corden and Jack Dee. Joe Lycett and Joe Wilkinson assist Susie Dent and Rachel Riley.

Will Ninette and Russell be showing off their pearly whites when they try to fit in with the elated locals in the happiest city in the USA: Naples, Florida.

Watch Russell and Ninette join the World of Wonders at an All-American State Fair in Indiana. Expect swords, snakes, straitjackets and guillotines.

A compilation of highlights from the series. Jimmy, Rob and Aisling are joined by a host of famous faces, including Melanie C and Jamie Laing.

Rhod Gilbert endangers Alex Horne's life (again), Jessica Knappett's sunny outlook is tested by a grumpy man, and Phil Wang has fun with mayonnaise.

Jimmy Carr hosts, with captains Sean Lock and Jon Richardson, who are joined by Dara O Briain and Sharon Horgan. Adam Buxton and Joe Wilkinson assist Susie Dent and Rachel Riley.

Jose Costa is the president of top automotive care franchise Maaco, based in North Carolina. He dons a disguise to meet the staff who keep his firm on the road to success.

Gina Rivera is the president of Phenix Salon Suites, which rents boutiques to hairdressers. She goes incognito among her franchisees to see how the company could be improved.

Three couples compete in and around Newcastle, in a week featuring refined dining, an energetic evening, bickering and an eclectic menu.

Three couples compete to host the best dinner party in and around Newcastle. There's Scottish fare and assumptions about accents, and a dessert nearly goes up in flames.

Becky's desperate for a classic, stylish wedding. Enter pro wrestler Mike, who's looking to make sure that the wedding bands aren't the only rings at the ceremony.

In this festive revisit some of the brides recall their nuptials and get their own back on the grooms for dropping wedding clangers with a yuletide set of embarrassing forfeits.

Cacti aren't the only prickly things in Palm Springs as the competition heats up. Tempers flare when an auction goes wrong and someone ends up on the floor.

In Santa Ana, the buyers face a vault sale. Mary befriends a psychic and Ivy has no choice but to hope the competition will lend him a hand - and some legs.

Nader Masadeh, the president and CEO of Buffalo Wings & Rings, goes undercover in his own company to ensure that his standards are being kept across the brand.

Shawnon Bellah, chief operating officer of Nestlé Toll House Café by Chip, works undercover among her staff, learning about cookie decoration and the drive-thru experience.

Alfonso Ribeiro hosts as home video clips capture memorable moments. How does a kid react when he gets an actual, real-life pony for Christmas? Spoiler: it's not how you'd expect.

The Palm Springs drama continues when all the buyers fight for the final bid on a unit full of bizarre bric-a-brac. Though this time, everyone does remain upright.

There's tough rivals in Torrance as our treasure-hunting traders meet new buyers. Brandi and Jarrod are back from cruising but can they avoid hitting rocky waters.

Gordon Ramsay and his team visit struggling Blend on Main in New Jersey and give it a spectacular renovation, a new menu and hope for the future.

Gordon Ramsay revamps a Cuban-inspired restaurant in Toms River, New Jersey. Owner Patty opened the place to showcase her grandmother's Cuban cooking.

Greg Davies and Alex Horne host the 50th ever episode. Kerry Godliman and Jessica Knappett have a catfight.

Host Jimmy Carr, captains Sean Lock and Jon Richardson are joined by Kevin Bridges and James Corden, while Peter Serafinowicz and Joe Wilkinson assist Susie Dent and Rachel Riley.

Jimmy Carr hosts as team captains Sean Lock and Jon Richardson are joined by Jonathan Ross and Roisin Conaty. David O'Doherty and Joe Wilkinson help Susie Dent and Rachel Riley.

Russell and Ninette try to cram a gap year into seven days in Koh Phangan - as you do. Cue a jam-packed week of wakeboarding, whisky and tantric workshops.